Fix #13210. Port the Windows build from VS2008 to VS2010.
diff --git a/PCbuild/_hashlib.vcxproj.filters b/PCbuild/_hashlib.vcxproj.filters
new file mode 100644
index 0000000..a9d993e
--- /dev/null
+++ b/PCbuild/_hashlib.vcxproj.filters
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <Filter Include="Source Files">
+ <UniqueIdentifier>{cc45963d-bd25-4eb8-bdba-a5507090bca4}</UniqueIdentifier>
+ </Filter>
+ </ItemGroup>
+ <ItemGroup>
+ <ClCompile Include="..\Modules\_hashopenssl.c">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ </ItemGroup>
+</Project>
\ No newline at end of file